LangBot is a global IM bot platform designed for LLMs. Prior to version 4.8.7, LangBot’s web UI renders user-supplied raw HTML using rehypeRaw, which can lead to a cross-site scripting (XSS) vulnerability. This issue has been patched in version 4.8.7.
History

Fri, 06 Mar 2026 17:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Fri, 06 Mar 2026 15:30:00 +0000

Type Values Removed Values Added
First Time appeared Langbot
Langbot langbot
Vendors & Products Langbot
Langbot langbot

Fri, 06 Mar 2026 04:45:00 +0000

Type Values Removed Values Added
Description LangBot is a global IM bot platform designed for LLMs. Prior to version 4.8.7, LangBot’s web UI renders user-supplied raw HTML using rehypeRaw, which can lead to a cross-site scripting (XSS) vulnerability. This issue has been patched in version 4.8.7.
Title LangBot has a Cross Site Scripting(XSS) Vulnerability
Weaknesses CWE-79
References
Metrics cvssV3_1

{'score': 6.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published: 2026-03-06T04:16:58.761Z

Updated: 2026-03-06T16:07:49.499Z

Reserved: 2026-02-27T20:57:47.709Z

Link: CVE-2026-28509

cve-icon Vulnrichment

Updated: 2026-03-06T15:50:38.552Z

cve-icon NVD

Status : Received

Published: 2026-03-06T05:16:35.590

Modified: 2026-03-06T05:16:35.590

Link: CVE-2026-28509

cve-icon Redhat

No data.